A diving rebreather is a piece of equipment used in scuba diving that recycles the air a diver exhales. Instead of releasing the exhaled air into the water like a regular regulator, the rebreather filters and removes carbon dioxide, then adds oxygen to create breathable air. This allows the diver to use less gas and stay underwater for longer periods without the need for frequent tank changes. Rebreathers are commonly used in deep dives, technical diving, and by divers exploring environments where extended bottom time is necessary. They are more complex than standard scuba systems and require specialized training to use safely.

“diving rebreather”的英语定义和含义

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